| Significance | Code | Meaning |
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| FIR | EGTT | London FIR | | | / | | | Qualifiers | Q | | | | OB | Obstacle | | | CE | erected | | | / | | | Traffic | I | IFR traffic affected | | | V | VFR traffic affected | | | / | | | Purpose | M | Miscellaneous | | | / | | | Scope | E | En-Route information | | | / | | | From flight level | 000 | Surface | | | / | | | Up to flight level | 009 | 900 feet QNE | | | / | | | Centre Latitude | 5117N | 51° 17' North' | | Centre Longitude | 00135W | 1° 35' West | | Radius of area affected | 001 | 1 nautical miles |
| | UNLIT CRANE AT POSITION 511700N 0013440W ( CHUTE,WILTSHIRE ) IN LOW FLYING AREA 1A AND NIGHT ROTARY REGION 1 HEIGHT 900FT ABOVE MEAN SEA LEVEL ( 200FT ABOVE GROUND LEVEL ). 26 / 01 / 107 / LFC |
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